fix confusion in elevation and colatitude

pyfar/classes/coordinates.py

@@ -50,19 +50,19 @@
        coordinate system in radians. :math:`0` radians are defined in positive
        x-direction, :math:`\pi/2` radians in positive y-direction and so on
        (:math:`-\infty` < azimuth < :math:`\infty`, :math:`2\pi`-cyclic).
-   * - :py:func:`~pyfar.classes.coordinates.Coordinates.elevation`
+   * - :py:func:`~pyfar.classes.coordinates.Coordinates.colatitude`
      - Angle in the x-z plane of the right handed Cartesian coordinate system
        in radians. :math:`0` radians elevation are defined in positive
        z-direction, :math:`\pi/2` radians in positive x-direction, and
        :math:`\pi` in negative z-direction
-       (:math:`\pi/2` < elevation < :math:`\pi/2`). The elevation is a
+       (:math:`\pi/2` < elevation < :math:`\pi/2`). The colatitude is a
        variation of the elevation angle.
-   * - :py:func:`~pyfar.classes.coordinates.Coordinates.colatitude`
+   * - :py:func:`~pyfar.classes.coordinates.Coordinates.elevation`
      - Angle in the x-z plane of the right handed Cartesian coordinate system
        in radians. :math:`0` radians colatitude are defined in positive
        x-direction, :math:`\pi/2` radians in positive z-direction, and
        :math:`-\pi/2` in negative z-direction
-       (:math:`0` < colatitude < :math:`\pi`). The colatitude is a
+       (:math:`0` < colatitude < :math:`\pi`). The elevation is a
        variation of the colatitude.
    * - :py:func:`~pyfar.classes.coordinates.Coordinates.lateral`
      - Counter clock-wise angle in the x-y plane of the right handed Cartesian